US4489830A - Retainer for packaged optical fiber splices and organizing tray utilizing such retainers - Google Patents

Retainer for packaged optical fiber splices and organizing tray utilizing such retainers Download PDF

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Publication number
US4489830A
US4489830A US06/560,541 US56054183A US4489830A US 4489830 A US4489830 A US 4489830A US 56054183 A US56054183 A US 56054183A US 4489830 A US4489830 A US 4489830A
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US
United States
Prior art keywords
splice
packaged
extending
base
tray
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US06/560,541
Inventor
Leonard J. Charlebois
James R. Scott
Robert J. Barber
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NOTHERN TELECOM Ltd PO BOX 6123 STATION A MONTREAL QUEBEC CANADA H3C 3J5
Nortel Networks Ltd
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Nortel Networks Ltd
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Assigned to BELL-NORTHERN RESEARCH LTD P.O. BOX 3511, STATION C, OTTAWA, ONTARIO, CANADA, K1Y 4H7 reassignment BELL-NORTHERN RESEARCH LTD P.O. BOX 3511, STATION C, OTTAWA, ONTARIO, CANADA, K1Y 4H7 ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BARBER, ROERT J., CHARLEBOIS, LEONARD J., SCOTT, JAMES R.
Priority to US06/560,541 priority Critical patent/US4489830A/en
Assigned to NOTHERN TELECOM LIMITED P.O. BOX 6123, STATION A, MONTREAL QUEBEC CANADA, H3C 3J5 reassignment NOTHERN TELECOM LIMITED P.O. BOX 6123, STATION A, MONTREAL QUEBEC CANADA, H3C 3J5 ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BELL-NORTHERN RESEARCH LTD
Publication of US4489830A publication Critical patent/US4489830A/en
Application granted granted Critical
Assigned to NORTEL NETWORKS CORPORATION reassignment NORTEL NETWORKS CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: NORTHERN TELECOM LIMITED
Assigned to NORTEL NETWORKS LIMITED reassignment NORTEL NETWORKS LIMITED CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: NORTEL NETWORKS CORPORATION
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4439Auxiliary devices
    • G02B6/444Systems and boxes with surplus length
    • G02B6/4441[Boxes]
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3801Permanent connections, i.e. wherein fibres are kept aligned by mechanical means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S269/00Work holders
    • Y10S269/903Work holder for electrical circuit assemblages or wiring systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49863Assembling or joining with prestressing of part
    • Y10T29/4987Elastic joining of parts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49863Assembling or joining with prestressing of part
    • Y10T29/4987Elastic joining of parts
    • Y10T29/49872Confining elastic part in socket
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49863Assembling or joining with prestressing of part
    • Y10T29/49876Assembling or joining with prestressing of part by snap fit
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49908Joining by deforming
    • Y10T29/49915Overedge assembling of seated part
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49908Joining by deforming
    • Y10T29/49938Radially expanding part in cavity, aperture, or hollow body

Abstract

A packaged optical fiber splice is held in a retainer formed by two pairs of cantilever members having inwardly facing ribs at their top edges. The members of a pair are spaced so that after pushing a packaged splice between the ribs, deforming the members slightly, the packaged splice is freely positioned between the cantilever members which are at least substantially stress free. The splice is retained by the ribs. A slot in the base of the retainer provides a seating for the lower edge of the splice and restrains the splice against longitudinal movement. A plurality of retainers are provided in an organizing tray.

Description

This invention relates to a retainer for holding a packaged optical fiber splice and to an arrangement comprising a tray, or a plurality of trays, having retainers.

Optical fiber cables require splicing of the individual fibers at the junction of cables. The fibers are spliced, typically by fusion splicing, and the splice protected, and strengthened, by enclosing or packaging in protection members. The protection members are then positioned in a retainer in an organizing tray. The tray provides room for a length of fiber either side of the splice which provides some spare length. This is bent round in the tray and the dimensions of the tray are such that the radius of the bend is large enough to prevent undue losses in the fiber.

A retainer should hold a splice in position without producing any stress on the splice. Once positioned, a splice is normally in that position for a long time and the retainer should hold the splice without being affected by climatic conditions. It has been found that molded plastic retainers which are stressed by the insertion of a protected splice, the stress remaining as long as the splice is in position, suffer from relaxation during use. An attempt to mold an organizer tray using a stiff grade of plastic with the retainer members molded integrally but using a soft, flexible, grade of plastic, while overcoming the problem of relaxation, is extremely difficult to manufacture, and is expensive.

The present invention provides a retainer which is molded as a separate unit and is then attached to a tray. This can be by bonding or by snap action, for example. The retainer has cantilever members extending up from a base, forming two pairs of members spaced laterally. The members have inwardly extending ribs at their top edges. An elongate slot extends at least partly through the base between the cantilever members. A packaged splice is pushed down between the pairs of cantilever members and rests in the slot, below the ribs. Thus, once the splice is in position, the cantilever members are unstressed. Lengthwise movement of the splice is prevented by the ends of the slot in the base.

The invention will be readily understood by the following description of certain embodiments by way of example, in conjunction with the accompanying drawings, in which:

FIG. 1 is a top plan view of the center part of a tray, with a multiple retainer member in position and fiber splices in the individual retainers;

FIG. 2 is a cross-section of the retainer member only on the line II--II of FIG. 1, to a larger scale with splice omitted;

FIGS. 3 and 4 are cross-sections through an individual retainer, without a packaged splice and with a packaged splice respectively;

FIG. 5 is a perspective view of a splice in the process of being packaged or protected;

FIG. 6 is a cross-section through a protected splice;

FIG. 7 is a cross-section of a tray, on the line VII--VII of FIG. 1;

FIG. 8 is a side view of a tray;

FIG. 9 is a perspective view of a tray, with retainers, illustrating the entry of fiber cables to a tray, and exit from a tray.

Illustrated in FIG. 1 is a retainer member, indicated generally at 10, having a plurality of retainers, indicated generally at 11. In this figure, the member 10 is seen attached to an organizer tray 12. Each retainer has two pairs of cantilever members 13 spaced apart across the member, in the direction of the length of the tray. In FIG. 1, a packaged splice, indicated at 14, is positioned in several retainers.

The form of the members 13, and the arrangement of retainers, is seen more clearly in FIGS. 2, 3 and 4. In FIG. 2 there is shown the pairs of members 13, and one particular way by which the retainer member can be attached to a tray. From a bottom web 15 of the retainer member 10 extend projections 16 which pass through holes in the base of the tray. These projections can be rivetted over to retain the retainer member in position. Alternatively they can be split, with outwardly extending ribs at the bottom, to give a snap assembly.

As readily seen in FIG. 3, each cantilever member 13 has an inwardly projecting rib 17 near its top edge, with an inwardly and downwardly inclined surface 18 extending from the top edge to the rib. A slot 19 extends through the web 15 between the members 13, the slot extending a short distance beyond the pairs of members 13, at each end, as seen in FIG. 1.

FIG. 4 illustrates the arrangement of a packaged splice 14 situated in a retainer. The packaged splice is of the form as described in U.S. Pat. No. 4,254,865 issued Mar. 10, 1981 to the present assignee and as illustrated in FIGS. 5 and 6. The packaged splice is inserted into a retainer by pushing it down between the pairs of cantilever members 13. The members deflect apart as the lower edge of the packaged splice 14 push against surfaces 18. Once the packaged splice has moved fully into the retainer, the top edge is below the ribs 17 and the members 13 snap over the packaged splice. The members 13 are thus not under stress. The splice sits in the slot 19 and is therefore restrained from lengthwise movement. With the retainer member fitted to a tray, the packaged splice rests on the base of the tray. However, if retainers are made as individual units, or even as multiple units, without having a tray base or other surface under them, the slot 19 can be arranged to extend only part way through the web 15. This arrangement can also be used with trays.

The splice protecting package, in one form, is illustrated in FIGS. 5 and 6. It comprises two flat members 25 hingedly connected by a layer of adhesive material 26. The members 25 have shallow semi-circular grooves 27 extending in from each end. A fusion spliced fiber 28 is positioned on one member, the coated portions of the fused fiber, indicated at 29, positioned over the grooves 27. The members are then hinged or folded together, gripping the fused fibers between them, as seen in FIG. 6. This packaging or protection is described in more detail in the above mentioned patent.

One form of tray is illustrated in cross-section in FIG. 7, and in side view in FIG. 8. The tray has a base 30 with an upstanding web 31 adjacent each side edge, the webs having inwardly extending ribs 32. Extending downward from the side edges are further webs 33, and also downwardly extending ribs 34 extend parallel to and spaced a short distance in from webs 33.

Near each end of the tray, at each side, a slot 35 extends through the rib 32 and part way down web 31. Below each slot 35 there is an aperture 36 through the web 31. The use of these will be explained in conjunction with FIG. 9. The webs 33 extend only for part of the length of the tray, stopping short of the ends. However the ribs 34 extend the full length of the tray. However these particular features can vary to suit requirements. In a single tray usage webs 37 and ribs 34 may not be present.

FIG. 9 illustrates a tray 12, with a multiple unit retainer 10, and with optical fiber cables entering and leaving, the cables indentified at 40 entering at one end, and at 41 at the other end. The cables will contain several fibers and the cable casing is removed at the end to expose a length of each fiber. The ends of the casing are positioned at the ends of the tray, against the webs 31 under the ribs 32. Ties 42 pass through the aperture 36 in webs 31, round the cables and through the slots 35. If necessary a sleeve 43 can be positioned on a cable to assist in the gripping of the cable by the tie. The ties 42 act as strain reliefs and prevent the cables and fibers from being pulled out of the tray.

Trays can be mounted, one above the other. The inwardly extending ribs 32 of a lower tray snap into position above convex formations 45 on the outer surfaces of the ribs 34. A cover, having ribs similar to ribs 34 on a tray, can be snapped into position on a top tray. Several trays, stacked one on top of another, can be positioned in an enclosure or housing, as described in U.S. Pat. No. 4,359,262, issued Nov. 16, 1982, to the present assignee.

The top surface of the tray base can be ribbed to make it easy to pick up fibers resting on the tray base. The retainers are offset or staggered, in the retainer member, as illustrated in FIG. 1, to make it easier to grip tabs 50 attached to the packaged splices, the tabs identifying splices.

Claims (10)

What is claimed is:
1. A retainer for a packaged optical fiber splice, comprising:
a bottom web;
two pairs of cantilever members spaced apart along said bottom web and extending up therefrom, the members of a pair spaced apart a distance slightly larger than the thickness of a packaged splice, the pairs spaced a distance less than the length of the packaged splice;
an inwardly extending rib at an upper part of each cantilever member, the inner surfaces of said ribs spaced apart a distance less than the thickness of the packaged splice;
an elongate slot in said bottom web and extending between said cantilever members, said slot extending for a distance substantially equal to the length of the packaged splice;
said ribs on said cantilever members spaced from the base of said slot a distance at least equal to the height of the packaged splice; and
the arrangement being such that a packaged splice can be pushed down between said cantilever members, the packaged splice positioned in said slot and restrained from longitudinal movement, the packaged splice positioned freely between the cantilever members, the ribs engaging over the packaged splice and the cantilever members being substantially free of stress.
2. A retainer assembly for a plurality of packaged optical fiber splices comprising a bottom web and a plurality of retainers on said bottom web, each retainer comprising;
two pairs of cantilever members spaced apart along said bottom web and extending up therefrom, the members of a pair spaced apart a distance slightly larger than the thickness of a packaged splice, the pairs spaced a distance less than the length or the packaged splice;
an inwardly extending rib at an upper part of each cantilever member, the inner surfaces of said ribs spaced apart a distance less than the thickness of the packaged splice;
an elongate slot in said bottom web and extending between said cantilever members, said slot extending for a distance substantially equal to the length of the packaged splice;
said ribs on said cantilever members spaced from the base of said slot a distance at least equal to the height of the packaged splice; and
the arrangement being such that a packaged splice can be pushed down between said cantilever members, the packaged splice positioned in said slot and restrained from longitudinal movement, the packaged splice positioned freely between the cantilever members, the ribs engaging over the packaged splice and the cantilever members being substantially free of stress.
3. An assembly as claimed in claim 2, each retainer being offset laterally relative to the immediately adjacent retainer, whereby the retainers form a zig-zag arrangement across said bottom web.
4. An assembly as claimed in claim 2 including an organizing tray having a base, said bottom web attached to said base of the organizing tray.
5. An assembly as claimed in claim 2 including means extending from said bottom web for attachment to a support member.
6. An assembly as claimed in claim 4 said bottom web bonded to said base of said organizing tray.
7. An assembly as claimed in claim 4, said bottom web including downwardly extending projections, said projections extending through said base of said tray to attach said bottom web to said tray.
8. An assembly as claimed in claim 4, said slots extending through said bottom web, an upper surface of said base of said tray defining said base of said slots.
9. An assembly as claimed in claim 4, said tray including an upstanding web adjacent to each side edge of said base and extending lengthwise of said base, and an inwardly extending rib along the upper edge of each upstanding web.
10. An assembly as claimed in claim 9, said tray including a web extending downward at each side edge of said base and a rib extending downward from each side edge of said base spaced inward from the downwardly extending webs, the arrangement such that the upstanding webs and inwardly extending ribs of a lower tray can be positioned between the downwardly extending webs and downwardly extending rib of an upper tray.
US06/560,541 1983-12-12 1983-12-12 Retainer for packaged optical fiber splices and organizing tray utilizing such retainers Expired - Lifetime US4489830A (en)

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Cited By (43)

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US4627533A (en) * 1984-10-29 1986-12-09 Hughes Aircraft Company Ceramic package for compensated crystal oscillator
US4688886A (en) * 1984-08-30 1987-08-25 Siemens Aktiengesellschaft Device for holding two light waveguides connected to one another by a splice
US4697340A (en) * 1983-06-03 1987-10-06 Molex Incorporated Method of manufacturing a carrier assembly
US4793598A (en) * 1986-09-24 1988-12-27 The Firestone Tire & Rubber Company Air spring having internal sealing band and method of installing same
EP0306732A2 (en) * 1987-09-08 1989-03-15 THE FIRESTONE TIRE & RUBBER COMPANY Air spring having internal sealing band and method of installing same
US4818055A (en) * 1988-04-18 1989-04-04 Minnesota Mining And Manufacturing Company Optical fiber splice connector
US4865412A (en) * 1988-04-18 1989-09-12 Minnesota Mining And Manufacturing Company Connector for splicing optical fiber cables
US4962989A (en) * 1988-11-09 1990-10-16 Telephone Cables Limited Clamping apparatus for an array of optical fiber filaments
US5131066A (en) * 1988-11-26 1992-07-14 Bowthorpe-Hellerman Limited Optical fibre splice tray arrangement
US5146532A (en) * 1990-11-20 1992-09-08 Scientific-Atlanta, Inc. Optical fiber retention device
US5203454A (en) * 1990-10-25 1993-04-20 Strong Leslie G Method and apparatus for transporting sensitive electronic components
TR25478A (en) * 1989-10-10 1993-05-01 Thyssen Polymer Gmbh Jalousie FRAME COMPONENTS IC's Head unit.
US5208893A (en) * 1992-05-21 1993-05-04 Raynet Corporation Optical fiber splice tray and splice holder
US5243673A (en) * 1989-08-02 1993-09-07 E. I. Du Pont De Nemours And Company Opto-electronic component having positioned optical fiber associated therewith
US5247603A (en) * 1992-01-24 1993-09-21 Minnesota Mining And Manufacturing Company Fiber optic connection system with exchangeable cross-connect and interconnect cards
US5323480A (en) * 1992-11-25 1994-06-21 Raychem Corporation Fiber optic splice closure
WO1995007480A1 (en) * 1993-09-08 1995-03-16 N.V. Raychem S.A. Organization of optical fibres
US5407068A (en) * 1991-10-22 1995-04-18 Strong; Leslie G. Method and apparatus for transporting test boards
US5456368A (en) * 1993-08-19 1995-10-10 Zehnder; Richard Holder for CD cassettes
US5553186A (en) * 1995-03-31 1996-09-03 Minnesota Mining And Manufacturing Company Fiber optic dome closure
US5590234A (en) * 1995-03-31 1996-12-31 Minnesota Mining And Manufacturing Company Fiber optic splice organizers
US5617501A (en) * 1995-03-31 1997-04-01 Minnesota Mining And Manufacturing Company Shield bond strain connector for fiber optic closure
US5696864A (en) * 1996-09-18 1997-12-09 Communications Technology Corporation Aerial enclosure for coupling data signals to a customer site
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US5717812A (en) * 1995-09-06 1998-02-10 The Whitaker Corporation Holder for fiber optic splice connectors
US5724467A (en) * 1995-10-11 1998-03-03 The Whitaker Corporation Adapter to secure fiber optic connectors within a telecommuniations box
US5758004A (en) * 1995-03-31 1998-05-26 Minnesota Mining And Manufacturing Company Closure with cable strain relief
US5832162A (en) * 1995-12-15 1998-11-03 Tii Industries, Inc. Multiple fiber fusion splice protection sleeve
US5892877A (en) * 1997-06-30 1999-04-06 Tii Industries, Inc. Optical fiber strain relief system
US6116793A (en) * 1997-04-09 2000-09-12 Siemens Aktiengesellschaft Splice protection device, a receptacle device for light waveguides and an arrangement for placing the light waveguides into the splice protection device
US6179278B1 (en) * 1999-11-22 2001-01-30 At&T Corp. Work station for fiber optic cable splicing
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US6213296B1 (en) 1998-08-14 2001-04-10 Black & Decker Inc. Tool container
USD446018S1 (en) 1998-08-14 2001-08-07 Black & Decker Inc. Tool receiving insert
US6405864B1 (en) 1998-08-14 2002-06-18 Black & Decker Inc. Tool container
US6461052B1 (en) 2000-03-17 2002-10-08 Ortronics, Inc. Optical fiber management module assembly
US6760530B1 (en) * 2000-06-09 2004-07-06 Cisco Technology, Inc. Fiber cable connector clip
US20060065557A1 (en) * 2004-09-30 2006-03-30 Brunson Mark E Tool container
US20060070900A1 (en) * 2004-10-04 2006-04-06 Brunson Mark E Tool and accessory container
US20100289202A1 (en) * 2008-01-22 2010-11-18 Franz Cordes Heat-Shrinkable Tube Holder and Method for Inserting Cables Into Heat-Shrinkable Tubes
US8254738B2 (en) 2010-08-27 2012-08-28 Ksaria Corporation Methods and systems for efficient installation of cables in watercraft
US8406598B2 (en) 2007-09-25 2013-03-26 Ksaria Corporation Apparatus for shaping the end of an optical fiber
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US3846740A (en) * 1972-07-17 1974-11-05 Augat Inc Multiple-pin plug adaptor
US4254865A (en) * 1979-10-02 1981-03-10 Northern Telecom Limited Protective package for an optical fiber splice
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Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697340A (en) * 1983-06-03 1987-10-06 Molex Incorporated Method of manufacturing a carrier assembly
US4688886A (en) * 1984-08-30 1987-08-25 Siemens Aktiengesellschaft Device for holding two light waveguides connected to one another by a splice
US4627533A (en) * 1984-10-29 1986-12-09 Hughes Aircraft Company Ceramic package for compensated crystal oscillator
US4793598A (en) * 1986-09-24 1988-12-27 The Firestone Tire & Rubber Company Air spring having internal sealing band and method of installing same
EP0306732A2 (en) * 1987-09-08 1989-03-15 THE FIRESTONE TIRE & RUBBER COMPANY Air spring having internal sealing band and method of installing same
EP0306732B1 (en) * 1987-09-08 1992-05-27 THE FIRESTONE TIRE & RUBBER COMPANY Air spring having internal sealing band and method of installing same
US4818055A (en) * 1988-04-18 1989-04-04 Minnesota Mining And Manufacturing Company Optical fiber splice connector
US4865412A (en) * 1988-04-18 1989-09-12 Minnesota Mining And Manufacturing Company Connector for splicing optical fiber cables
US4962989A (en) * 1988-11-09 1990-10-16 Telephone Cables Limited Clamping apparatus for an array of optical fiber filaments
US5131066A (en) * 1988-11-26 1992-07-14 Bowthorpe-Hellerman Limited Optical fibre splice tray arrangement
US5243673A (en) * 1989-08-02 1993-09-07 E. I. Du Pont De Nemours And Company Opto-electronic component having positioned optical fiber associated therewith
TR25478A (en) * 1989-10-10 1993-05-01 Thyssen Polymer Gmbh Jalousie FRAME COMPONENTS IC's Head unit.
US5203454A (en) * 1990-10-25 1993-04-20 Strong Leslie G Method and apparatus for transporting sensitive electronic components
US5146532A (en) * 1990-11-20 1992-09-08 Scientific-Atlanta, Inc. Optical fiber retention device
US5407068A (en) * 1991-10-22 1995-04-18 Strong; Leslie G. Method and apparatus for transporting test boards
US5247603A (en) * 1992-01-24 1993-09-21 Minnesota Mining And Manufacturing Company Fiber optic connection system with exchangeable cross-connect and interconnect cards
US5208893A (en) * 1992-05-21 1993-05-04 Raynet Corporation Optical fiber splice tray and splice holder
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